SLES

We recently had a problem with a SLES virtual machine which was copied and where the network connectivity was broken because we ended up being in a different network. So we needed to reconfigure the IP-Address.

Address space layout randomization (ASLR) is a method to make hacker’s life more difficult by randomizing the position of the heap, stack, executable and libraries in the address space of the process. ASLR is enabled by default in Linux since kernel version 2.6.12.

It’s a nice security feature. Unfortunately it does break some software. If you run some software having this issue, you can switch off ASLR using the following:

sudo bash -c "echo 0 > /proc/sys/kernel/randomize_va_space"

to check the current value of the ASLR setting you can use the following:

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